body {
  margin: 0;
}
ol,
ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.tt-header {
  height: 80px;
}
.tt-header-box {
  width: 560px;
  margin: 0 auto;
  height: 80px;
  display: flex;
  align-items: center;
}
.tt-header-box input,
.tt-header-box button {
  height: 50px;
  box-sizing: border-box;
}
.tt-header-box input {
  flex-grow: 1;
  padding-left: 20px;
  font-size: 20px;
}
.tt-header-box button {
  flex-basis: 80px;
}

.tt-plan-title,
.tt-plan-list {
  width: 560px;
  margin: 0 auto;
}

.tt-plan-list ul li,
.tt-plan-list ol li {
  height: 40px;
  line-height: 40px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #ccc;
  margin-bottom: 10px;
}
/* .tt-plan-list ul li > div,
.tt-plan-list ol li > div {
  height: 40px;
  line-height: 40px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #ccc;
  margin-bottom: 10px;
} */
.tt-plan-list ul li input[type='checkbox'],
.tt-plan-list ol li input[type='checkbox'] {
  width: 30px;
  height: 30px;
  vertical-align: middle;
}

.tt-plan-list ul li button,
.tt-plan-list ol li button {
  border: 0;
  font-size: 20px;
  height: 30px;
  vertical-align: middle;
  cursor: pointer;
}
.tt-plan-list ul li button:hover,
.tt-plan-list ol li button:hover {
  background-color: #f00;
  color: #fff;
}
